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Worksheetsmodels
Total questions: 7
Worksheet time: 5mins
Name
Class
Date
1.
Rutherford's gold foil experiment provided evidence that...
a)
Negative and positive charges are spread evenly throughout the atom.
b)
Alpha particles have a positive charge.
c)
Gold is not a dense as previously thought.
d)
There is a dense positively charged nucleus at the center of an atom.
2.
Niels Bohr suggested that electrons.......
a)
are found in specific orbits
b)
electrons are scattered throughout the atom
c)
electrons move according to their energy level
d)
electrons are positive
3.
Rutherford discovered the...
a)
electron
b)
proton
c)
neutron
d)
nucleus
4.
Rutherford's "gold-foil" experiment using alpha particle scattering concluded that
a)
the center of the atom is empty
b)
atomic mass is spread over the whole atom
c)
the center of the atom has a negative charge
d)
most of the atom is empty
5.
Proposed the Modern Electron Cloud Model of the atom
a)
Schrodinger & Heisenberg
b)
Dalton
c)
Chadwick
d)
Rutherford
6.
Who's model is this?
a)
Millikan
b)
Rutherford
c)
Thomson
d)
Bohr
7.
Which scientist discovered the electron and proposed the model above (which looks like a chocolate chip cookie)?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
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